Self-Managed
Kelsey Withrow is a pro triathlete and Ironman competitor based in Walnut Creek, California, with a strong endurance-sport audience and a clear passion for performance, cycling, running, and swimming. She brings authentic athletic credibility, consistent training content, and an engaged lifestyle presence that fits brands looking to connect with fitness-minded consumers.
Kelsey has been a professional triathlete for the last 16 years. From 2001-2013 she focused primarily on short course racing, where she spent 5 years training at he Olympic Training Center in Colorado Springs, CO. In 2014, while out on a training ride, Kelsey was hit by a truck riding her bike. She was airlifted to Stanford ICU and spent the next week there. She had several injuries and was told she would never race again. Fast forward to 2017 and kelsey has been on the podium every single Ironman 70.3 race with a win at IM 70.3 Victoria and a win at IM 70.3 Manta.
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1 post & 1 story with the kelsey withrow promoting your product.
Long-term deal involving appearances, photoshoots, social media and more.
Have kelsey withrow make a live appearance at your next event
Brands can sponsor kelsey withrow on OpenSponsorship by creating a free account, browsing kelsey withrow's profile, and sending a sponsorship proposal for social posts, appearances, or integrated campaigns. OpenSponsorship handles messaging, deliverables, and deal terms in one platform so you can connect directly with this athlete.
kelsey withrow is listed on OpenSponsorship and available for brand sponsorships. Brands can review campaign packages, audience details, and pricing on this profile, then submit a proposal to start a partnership with this athlete.
According to OpenSponsorship, estimated pricing to sponsor kelsey withrow starts at $4,000 for a social media post, $6,000 for a appearance and $36,000 for a brand ambassador campaign. Final rates depend on deliverables, usage rights, and campaign scope. Sign up on OpenSponsorship to view packages and send a proposal.
According to OpenSponsorship, kelsey withrow's audience includes 17K+ Instagram followers, interests including Home Life, Pets, Fitness & Performance, Activewear, Cooking, and more, based in Walnut Creek, California, United States. Brands can use this profile to evaluate reach, content niche, and sponsorship fit before sending a proposal.

Genisys Credit Union, headquartered in Auburn Hills, Michigan, has done something most brands never do with athlete sponsorship: it kept renewing. What started as a single partnership with Detroit Lions tight end Sam LaPorta has become a multi-year, two-athlete program that Genisys has renewed and expanded every season since 2024, adding Lions wide receiver Isaac TeSlaa in 2025 and renewing him again in 2026.
October 6, 2026